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TABLE 5-3 (continued) <br /> SUMMARY GROUND WATER SAMPLE ANALYTICAL RESULTS <br /> • AROMATIC VOLATILE ORGANICS <br /> t . <br /> Aamas,Golai►Ie �h g$�sb i�g ? <br /> smnm <br /> Aoa3toing okalg Yotrst3tl <br /> e <br /> We)[ ":EQent #en c blaeae lEt3�ylllenzeae,.:: y s ).... <br /> 3rd qtr-1990 NI NI NI NI <br /> 4th qtr-1990 NI NI NI NI <br /> 1st qtr-1991 <0.50 <0.50 <0.50 <0.50 <br /> 2nd qtr-1991 <0.50 <0.50 <0.50 <1.0 _...............::.>: <br /> ............................................ <br /> 3rd qtr-1991 <0.50 <0.50 <0.50 <1.0 <br /> 4th qtr-1991 <0.50 <0.50 <0.50 <1.0 <br /> 1st qtr-1992 NA NA NA NA <br /> 2nd qtr-1992 NA NA NA NA <br /> 3rd qtr-1992 NA NA NA NA <br /> 4th qtr-1992 <0.50 <0.50 <0.50 <1.0 <br /> MW-1013 Ist qtr-1993 NA NA NA NA <br /> 2nd qtr-1993 NA NA NA NA <br /> 3rdtr-1993 <br /> q NA NA NA NA <br /> Number of Detects 0 <br /> 0 0 0 <br /> Number of Analyses 7 7 7 7 <br /> Percent Detected ND <br /> ND ND ND <br /> • Minimum Concentration Detected ND ND ND ND <br /> Maximum Concentration Detected ND ND ND ND <br /> Average Concentration ND ND ND ND <br /> Geometric Mean Concentration ND ND ND ND <0.50 <br /> Standard Deviation ND ND NDND <br /> 3rd qtr-1990 NI NI NI NI <br /> 4thtr-1990 NI <br /> q NI NI NI <br /> 1st qtr-1991 7.1 <0.50 6.9 <1.0 <br /> 2ndtr-1991 5.9 <br /> q <0.50 6.1 <1 <br /> 0 <br /> 3rdtr-1991 < <br /> q 0.50 <0.50 <br /> 5.4 <0.1 <br /> 4th991 tr-i <br /> 5.6 <br /> q <0.50 6.7 <0.1 <br /> 1st qtr-1992 7 0.77 7 6.4 <br /> 2nd qtr-1992 5 <0.50 6 <1.0 <br /> 3rd qtr-1992 5.1 <0.50 5.9 <1.0 <br /> ..............:...............:............ <br /> 4th qtr-1992 4.9 3 6.2 5.6 <br /> MW-11A 1st qtr-1993 8.5 2.3 9.4 9.7 <br /> 2nd qtr-1993 8.3 2.3 8.6 9.2 <br /> 3rd qtr-1993 6.3 1.4 7 6.6 <br /> Number of Detects 10 5 11 5 <br /> Number of Analyses 11 I 1 11 11 <br /> Percent Detected 91 45 100 45 <br /> Minimum Concentration Detected 0.25 0.25 5.4 0.5 <br /> Maximum Concentration Detected 8.5 3 9.4 9.7 <br /> • Average Concentration 5.81 1.03 6.84 3.55 <br /> Geometric Mean Concentration 4.67 0.61 6.75 1.16 13.18 <br /> Standard Deviation 2.23 1.05 1.20 3.96 <br /> /u/csing/tracy/ri/tables/tbl5-3 5-3.9 <br />